sponse to the call, and 5 papers were accepted for this spe cial section. The first ... As it is time-consuming to specify all the business proc esses from low-level ... Approach to Guaranteeing Multimedia Conferencing Ser vices" by WU Jiyan, ...
nificantly simplifies service-oriented business process gen
which covers the science and technology of bridging the
eration by reusing assets to construct business processes.
gap between business services and IT services. The perfect
The authors verify the proposed method using a shipment
integration of technology and business endows the services
tracking case and show that the number of reusable assets
computing with significant business value and service value.
increases significantly as these projects progress, and the
The global nature of services computing leads to many op
business process generation speed also increases at the same
portunities and challenges and creates a new networked
economic structure for supporting different business models.
The third article "Aspect-Oriented Design Method for
The goal of this Feature Topic section is to provide a col
Embedded Systems Based on Timed Statecharts" authored
lection of papers that will reflect the development of the
by WEN Xinxiu, et al. introduces an aspect-oriented design
unique scientific and technological system of services com
method based on timed statecharts. According to the authors,
puting, and to provide a foundation for more detailed in
"the approach not only describes dynamic behaviours of
vestigations. We received more than 30 manuscripts in re
embedded systems formally, but also guarantees the cor
sponse to the call, and 5 papers were accepted for this spe
rectness and reliability. The application of aspect-oriented
technology improves software development efficiency and
The first article addresses the privacy issue in existing k-anonymity based approaches for location privacy in Loca tion-Based
reduces the development cost greatly". TIAN Wenhong, et al. contributes the fourth article
"CRESS: A Platform of Infrastructure Resource Sharing for
"Pseudo-Location Updating System for Privacy-Preserving
Educational Cloud Computing", in which a platform of in
Location-Based Services" by NIU Ben, et al. proposes a
frastructure resource sharing system (Platform as a Service
(PaaS)) is developed in virtual cloud computing environ
(3PLUS) to protect users' location privacy. It is demon
ment. The system has good expandability and can improve
strated that this proposed 3PLUS can provide several secu
resource sharing and utilization and has been applied to reg
rity and privacy properties to the mobile users.
ular computer science teaching and research process.
As it is time-consuming to specify all the business proc
The last article entitled "Comprehensively Context-Aware
esses from low-level web services, especially for an enter
Approach to Guaranteeing Multimedia Conferencing Ser
prise that focuses on a series of similar businesses, the sec
vices" by WU Jiyan, et al. presents a Comprehensively
ond article entitled "Rapid Service-Oriented Business Proc
Context-Aware (CoCA) approach based on Bayesian net
ess Generation Method Based on Ontology" by WU Budan
works and the fuzzy set theory in order to guarantee the ser
and her colleagues provides a rapid service-oriented busi
vice quality of the web-based multimedia conferencing sys
ness process generation method with domain-specific assets
tem. The authors implement the proposed CoCA in the real
specified in ontology systems. The new methodology sig-
multimedia conferencing system and compare its perform-
China Communications' September 2013
ance with the existing bandwidth aware and playback buffer aware schemes. Experimental results show that this ap proach outperforms the competing approaches in improving the average video Peak Signal-to-Noise Ratio (PSNR). It also exhibits good performance in preventing the playback buffer starvation. These articles cover substantive new work in various as
they will be useful sources of reference for those who are currently undertaking, or will undertake, this critical issue. Finally, we would like to send our special thanks to all authors and reviewers for conducting a collaborative revi sion process for this special issue.
Editor-in-Chief of IEEE Transactions on Services Computing. He was elected as an IEEE fellow in 2011, and in the same year won the Tech nical Achievement Award "for pioneering contributions to Application Design Techniques in Services Computing" from IEEE Computer So ciety. Dr. ZHANG also chaired the 2013 IEEE 2nd International Con gress on Big Data (BigData 2013), and the 2009 IEEE International
pects of services innovation lifecycle management. We hope
of Web Services Research since 2003 and was the founding
is Senior Vice President, Chief Scientist and Direc
tor of Research at Kingdee International Software Group Company Limited, and Director of The Open Group. Prior to joining Kingdee, he was a research staff member at IBM Thomas J. Watson Research Center. Dr. ZHANG has published more than 160 technical papers in journals, book chapters, and conference proceedings. He has 50 granted patents and more than 10 pending patent applications. Dr.
Conference on Cloud Computing (CLOUD 2009).
is a Professor of Computer Science at the University
of Waterloo, Canada and a David Cheriton Faculty Fellow. He is the founding Editor-in-Chief of the IEEE Transactions on Network and Service Management (2007-2010), and on the editorial board of several other journals. He served as the General or Technical Program Chair for a number of international conferences. His research interests are in the areas of network and service management. He has pub lished extensively in these areas and received several journal and conference Best Paper Awards such as the IEEE 2008 Fred W. Ellersick Prize Paper Award. He also received several other recognitions such as the Premier's Research Excellence Award, Industry Research Excel lence Awards, fellowships of the Faculty of Mathematics, of the David R. Cheriton School of Computer Science and outstanding perform ance awards at the University of Waterloo, Canada. He has also re ceived the IEEE Communications Society Hal Sobol Award and the
ZHANG received his Ph.D. degree on pattern recognition and intelli
IFIP Silver Core in 2007, the IEEE
gent control from Tsinghua University, China in 1996. He chaired the
LociCero and the Dan Stokesbury awards in 2009, and the IEEE Com
Communications Society Joe
IEEE Computer Society's Technical Committee on Services Computing
munications Society Salah Aidarous award in 2012. He served as a
from 2003 to 2011. He also chaired the Services Computing Profes
distinguished lecturer for the IEEE Computer and Communications
sional Interest Community at IBM Research from 2004 to 2006. Dr.
Societies. He is fellow of the IEEE and the Engineering Institute of
ZHANG has served as the Editor-in-Chief of the International Journal
China Communications' September 2013